Information in this chapter:
Cyber Attacks: The Early Years
The Pendulum Swings Back: Hacktivism and DDoS
Signal-to-noise ratio (often abbreviated as SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. The signal-to-noise ratio, the bandwidth, and the channel capacity of a communication channel are connected by the Shannon–Hartley theorem1. Signal-to-noise ratio is sometimes used informally to refer to the ratio of useful ...